Why is it hot in summer and cold in winter?
You said summer comes when Earth is near the Sun. Earth is closest to the Sun in early January, during northern winter. The tilt is the cause.
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Does a parked coaster car at the top of a hill have kinetic energy?
You said the coaster car at the top has kinetic energy because it is about to move. Stored height energy is potential; motion energy comes after the drop.
Try this lessonHow many solutions does x^2 - 5x + 3 = 0 have?
Before solving a quadratic, the discriminant can tell you how many real answers it will have. One number, three cases.
Try this lessonWhy does a Punnett square have four boxes?
You said each parent donates both of its alleles. The two alleles separate, and each parent passes on just one for the trait.
Try this lessonWhy does sulfur have 6 valence electrons, not 16?
Sulfur has 16 total electrons but only 6 that do chemistry. Learn where those 6 live and how the periodic table reveals them.
Try this lessonWhy does x^2 - 5x + 6 = 0 have two answer boxes to fill?
x^2 - 5x + 6 = 0 has two solutions, not one. Once the quadratic is factored, a product equal to zero tells you exactly where they hide.
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